Question

The ratio of the average of two series of five numbers each is 28:44. All five terms of the former series are consecutive multiples of 7, while all five terms of the latter series are consecutive multiples of 11. If the sum of their first term is 36, then what is the difference between the greatest term of the series divisible by 11 and the second greatest term of the series divisible by 7?

A 29
B 30
C 31
D 32
E 33
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